- Altimeter: Altitude, vertical speed, logbook function with quick-access button, memory capacity 99 logs, history memory, alti/baro lock, temperature compensation
- Barometer: Sea level pressure, absolute pressure, weather trend indicator, temperature, automatic 4-day barometric memory, alti/baro lock
- Compass: Bearing, cardinal bearing, bearing tracking, North-South arrow, declination setting
- Chronograph: Calendar, 3 alarms, dual time, stopwatch with 99 split/lap times
Material options: Suunto Observer Sr - stainless steel housing with elastic strap (80 g), Suunto Observer Sr black - negative display with elastomer strap, Suunto Observer St - stainless steel housing with stainless steel elastomer strap (100 g), Suunto Observer LTt - titanium housing with leather strap, Suunto Observer Tt - top-of the-line model - titanium housing with titanium elastomer strap (75 g)
- Two Black Collection models - Suunto Observer Black and Suunto Observer ST Black
- Water resistant to 100 m (330 ft)
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